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2011 - 2015 Duramax Flo~Pro 864 4" Exhaust W/ Muffler

Quick Overview

This 4" downpipe back aluminized exhaust is designed specifically for your 2011-2015 Duramax 6.6L
Please be aware on some of the 2015 they use the 3 bolt flange, if this is the case this exhaust will not work for you. If this is you please check part #871.